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Organization and Basis of Presentation - Additional Information (Details) - CNY (¥) ¥ in Thousands | 5 Months Ended |  |  |
--- | --- | --- | --- | ---
Jul. 31, 2016 | Dec. 31, 2019 | Dec. 31, 2015 | Mar. 31, 2012
Variable Interest Entity [Line Items] |  |  |  |
Recognized reorganization value |  |  | ¥ 49,359 |
Sale or purchase of assets or rights minimum amount |  | ¥ 50 |  |
Option agreement maximum contract amount |  | 50 |  |
Consolidated VIE assets |  | 0 |  |
Consolidated VIE creditor |  | ¥ 0 |  |
Beijing Shangzhi Jiaye Education Technology Co., Ltd |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Percentage of voting equity interests acquired | 100.00% |  |  |
Cash consideration | ¥ 293,644 |  |  |
Sunland Education Technology H K Limited |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Ownership percentage by parent |  |  |  | 100.00%
Wuhan Zhibo |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Ownership percentage by parent |  | 100.00% |  |
Wuhan Zhibo | Minimum |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Ownership percentage by parent |  | 10.00% |  |
Wuhan Zhibo | Maximum |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Ownership percentage by parent |  | 100.00% |  |

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